VDI 2267 Blatt 11-1986 Determination of suspended particulates in ambient air; measurement of the mass concentration of lead by energy dispersive X-ray fluorescence-analysis
2008VDI 2267 Blatt 12-2008 Determination of suspended matter in ambient air - Measurement of As, Ca, Cd, Co, Cr, Cu, Fe, Mn, Ni, Pb, Sb and Zn by energy dispersive X-ray fluorescense (ED XRF)
1986VDI 2267 Blatt 11-1986 Determination of suspended particulates in ambient air; measurement of the mass concentration of lead by energy dispersive X-ray fluorescence-analysis
1983VDI 2267 Blatt 11-1983 Determination of the composition of suspended particulates in ambient air; measurement of the mass concentration of lead by energy dispersive X-ray fluorescence-analysis